Ebyte E840-TTL-NB03 User Manual page 14

Chengdu Ebyte Electronic Technology Co., Ltd.
Return: <CR><LF>+OK=<imei><CR><LF>
Para: imei Device IMEI code
AT+SN
Function: Set/Query SN.
Format: Query
Send: AT+SN<CR>
Return: <CR><LF>+OK=<sn><CR><LF>
Set
Send: AT+SN=<sn><CR>
Return: <CR><LF>+OK<CR><LF>
AT+LINKSTA
Function: Query whether the TCP link has been established.
Format: Query
Send: AT+LINKSTA<CR>
Return: <CR><LF>+OK=<sta><CR><LF>
Para: Sta Connect(TCP Connected) / Disconnect(TCP Disconnected)
AT+SOCK
Function: Set/Query network protocol parameter format.
Format: Query
Send: AT+SOCK<CR>
Return: <CR><LF>+OK=<protocol>,<ip>,< port ><CR><LF>
Set
Send: AT+SOCK=<protocol>,<ip>,< port ><CR>
Return: <CR><LF>+OK<CR><LF>
Para: protocol
TCPC: TCP client
UDPC: UDP client
ip The IP address or domain name of the target server
port Server port number, in decimal, less than 65535.
AT+REGMOD
Function: Set/Query registration packet mechanism.
Format: Query
Send: AT+REGMOD<CR>
Return: <CR><LF>+OK=<status><CR><LF>
Set
Send: AT+REGMOD =<status><CR>
Return: <CR><LF>+OK<CR><LF>
Para: status Registration packet mechanism
EMBMAC
EMBCSTM
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co.,Ltd.
TCPC / UDPC
Add MAC/IMEI as registration packet data before each packet sent to the server
Add user registration packet data before each packet sent to the server
E840-TTL-NB03 User Manual
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